Granted Patent
Utility
US 6,024,032 · App. 09/051,910
Production of heat energy from solid carbonaceous fuels
Inventor:
John Sharpe
Patented Case
View Patent ↗
Granted: Feb 15, 2000
Filed: Apr 27, 1998
Inventor
John Sharpe
Assignee (at issue)
POWER COMPANY LIMITED
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.